peeweedbevolve.py 文件源码

def drop_default(db, migrator, table_name, column_name, field):
  op = pw.Clause(pw.SQL('ALTER TABLE'), pw.Entity(table_name), pw.SQL('ALTER COLUMN'), pw.Entity(column_name), pw.SQL('DROP DEFAULT'))
  return normalize_whatever_junk_peewee_migrations_gives_you(db, migrator, op)